condition mean min max 0 h after light 0.1563315 0.0 0.312663 2 h after light 0.936974 0.469828 1.40412 4 h after light 0.8512314999999999 0.476533 1.22593 8 h after light 3.061095 2.74463 3.37756 12 h after light 2.191225 1.88415 2.4983 2 h after dark 1.98751 1.39989 2.57513 4 h after dark 1.4643595 0.901529 2.02719 8 h after dark 1.2151895 0.847849 1.58253 12 h after dark 0.0802445 0.0 0.160489